-512 STATEMENT REFERENCE TO REMOTE OBJECT IS INVALID

Explanation
  One of the following conditions exists: 
The statement refers to multiple locations.
A statement with a remote reference is being EXPLAINED either
by a dynamic EXPLAIN statement or the EXPLAIN(YES) option.
An alias is used incorrectly.
A three-part name is implicitly or explicitly used in a statement
that is not supported by the DB2® private
protocols.
A three-part name is implicitly or explicitly used in a triggered
statement.
A PREPARE statement contains an ATTRIBUTES clause. This is not
supported by the DB2 private
protocols.
A three-part name with a remote reference is
not allowed in a body of an SQL function.

System action
  The statement cannot be processed.

Programmer response
  If the object cannot be meaningfully eliminated
from the statement, see your database administrator for other ways
to obtain the data required. 
If the remote object reference
is in a triggered SQL statement, you can instead invoke a user-defined
function or a stored procedure from the trigger and access the remote
object from the function or stored procedure.

SQLSTATE
56023